1988 GMC S-15 "replace heater core s15" Questions

heater core replacement 88 s15 This is never an easy job and that is why the labor charges are high for this repair. I know of no place you can get detailed instructions on how to get to the core. You

...replace heater core on 89 s15 exactly where do i start disconnect negative battery cable remove coolant reservoir dis-connect heater hoses at heater core remove mounting screws and nuts from the ...

1989 gmc s15 radio Heater core replaced now radio wont work Your problem is that you have GM vehicle made in the 80s! Go buy a newer Tacoma or Frontier.

1989 gmc s15 classic I just had my heater core replaced and when i got the truck back the radio does not work. Also when i close my door my interior light stays on. Take it back

...replace thermostat. stays the same feel heater hoses if one is hotter than the other the core is plugged or heater valve is restricted. all else is vent door isnot fully seating in heater box cable ...

replace it. You can use the green coolant. The Dex-Cool was just supposed to be good for 100,000 miles before replacing. Pull the heater hoses off the core and see if there is brown sludge. If so then